Cysteamine permanent wave composition and method

Details Cysteamine permanent wave composition and method Cysteamine permanent wave composition and method

1994-06-02

1995-10-24

Azpuru, Carlos

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

Permanent waving or straightening

424 702, 424 7028, 132204, 132210, 132226, A61K 706, A61K 709, A45D 212, A45D 704

Patent

active

054608090

ABSTRACT:
A single formula, mild permanent wave reducing composition and method of permanently waving or reshaping human hair that provides a strong, long lasting curl and leaves the hair soft while minimizing further damage to already damaged hair. The composition contains a cysteamine reducing agent compound selected from the group consisting of cysteamine, a cysteamine salt, and mixtures thereof; preferably alone (without a monothioglycolate; a monothioglycolic acid ester, e.g., thioglycerol; a thiolactic acid; a sulfite; a hyposulfite, or a bisulfite second reducing agent). The cysteamine compound should be present in an amount of about 7.8% to about 9.0% by weight; and sufficient additional alkali, if necessary, to bring the pH of the composition to about 7.8 to about 8.5. Optionally, a hair softening and/or moisturizing agent, such as glycerine is included in the composition in an amount of about 0.1% to about 15% by weight of the composition.

REFERENCES:
patent: 2577710 (1951-12-01), McDonough
patent: 2577711 (1951-12-01), McDonough
patent: 5208014 (1994-05-01), Dubief et al.

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